* aclocal.m4: Don't add wcwidth.o if we don't have wchar.h.

[deliverable/binutils-gdb.git] / readline / aclocal.m4

diff --git a/readline/aclocal.m4 b/readline/aclocal.m4
index bc43d8db013c816fe8e3aa1d3463b53e870f935e..a87e2dcb93b762278975987a271cd2703bf82b0c 100644 (file)
--- a/readline/aclocal.m4
+++ b/readline/aclocal.m4
@@ -1654,13 +1654,13 @@ AC_CHECK_HEADERS(langinfo.h)
 
 AC_CHECK_FUNC(mbrtowc, AC_DEFINE(HAVE_MBRTOWC))
 AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
-AC_CHECK_FUNC(wcwidth, have_wcwidth=yes)
-if test "$have_wcwidth" = yes; then
-  AC_DEFINE(HAVE_WCWIDTH)
-  AC_SUBST(WCWIDTH_OBJ,)
+AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))
+if test "$ac_cv_func_wcwidth" = no && test "$ac_cv_header_wchar_h" = yes; then
+  WCWIDTH_OBJ=wcwidth.o
 else
-  AC_SUBST(WCWIDTH_OBJ,wcwidth.o)
+  WCWIDTH_OBJ=
 fi
+AC_SUBST(WCWIDTH_OBJ)
 
 AC_CACHE_CHECK([for mbstate_t], bash_cv_have_mbstate_t,
 [AC_TRY_RUN([